Download Rotary Seals . It is sometimes marketed in proprietary classes of materials such as Teflon®, a registered trademark of DuPont Dow Elastomers. © ERIKS nv, 2021. An axial seal seals axially against a housing or machine component. This is the full required range of ambient operating temperature. Seal is of all rubber or polymer construction and does not have a metal case. national oil seal. Ethylene acrylic compounds provide high-heat aging resistance while providing good physical properties. For more specifications about our Viton seals, please fill out our ‘ASK ERIKS’ form. Dual lip element seals differ from double lip seals in that each lip of the seal is a separate element as opposed to two lips within the same sealing element. This dimension refers to the radial cross section of the seal. Depending on their construction, U-rings and block vee rings can be used as a rod seal, a piston seal or a symmetric seal. Double Lip Metal Cover Oil Seal. However, Flourosilicone offers improved fuel and mineral oil resistance but poor hot-air resistance in comparison. Imperial Oil Seals. Trade Names Include Cyanacryl® (American Cyanamid), HyTemp® (BF Goodrich), and Thiacril® (Uniroyal). Trade names include Neoprene (DuPont Dow), Baypren® (Mobay), and Butachlor® (Ditsugil). Your information will not be shared with third parties. Oil seals are functional parts used to seal oil. Specification test for Viton oil seal. Download Seal-Master Brochure . Nitrile is not resistant to weathering and ozone. Each version of the ACEA oils sequences has or had a life cycle: the 'First allowabe use' defines the earliest date when claims againt this specification can be made Consult with manufacturer for proprietary material specifications. Metal cased seals are often coated with rubber. Common configurations include single lip, double lip, triple lip, and four or more lips. ASTM D2000 M2BG714 A14, B14, EO14, EO34, EF11, EF21, EA14, F17 Oil seals: black Studies have shown this area to be one of the major causes of premature seal failure. User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Brand names include: Celcon (Hoechst Celanese), Delrin (DuPont), Thermocomp (LNP), Ultraform (BASF). Four or More Lip Oil Seal U-ring / Block Vee Ring Sizes listed are for standard nitrile elements, except Models 25 and 62 which have PTFE elements. They are available in imperial and metric dimensions for both single- and double-lip design. There are many different styles of clearance, or labyrinth seals. Widely used with most oils, hydraulic fluids, and alcohol. Good resistance to petroleum hydrocarbons and fuels. Metal Cased Oil Seals. With the exception of Kalrez® perfluorinated elastomer, they are about the most highly temperature resistant of all commercially available elastomers. Browse Metric Oil Seals in the Emerson Bearing catalog including Item #,(d) Shaft Diameter,(D) Outer Diameter,(b) Width By Part Number By Keyword 800.225.4587 en Español Blog Contact About Natural compounds such as gum rubber (polyisoprene) and latex. Oil seals work to prevent leakage of sealed objects such as lubricants from inside and also to prevent the entry of dust and contaminants from outside. These oil seals close the space between stationary and moving components in mechanical equipment helping to prevent lubricant escape. will be returned for either choice. As each country has different regulations for the use of steel, we make two tables to let you understand easier. Viton seals are well known for excellent heat resistance. They also prevent the entry of dust from the outside. © Copyright 2021 GlobalSpec - All rights reserved. It has excellent chemical and fatigue resistance, and thermal stability. Quality assurance for the best materials is a musthave. Another form of labyrinth seal is a laminar sealing ring, which uses a series of flat metal washer-like rings of varying diameters to create a labyrinth seal. These seals are primarily used for rotary applications only. Oil seals, often called a rotary shaft seal or grease seal, closes the gap between stationary and moving components in mechanical equipment — most often rotating shafts — helping prevent lubricant escape and stopping harmful materials, such as dirt, from moving in … Single Lip Oil Seal An oil seal that has one flexible sealing lip. Nitrile has good mechanical properties when compared with other elastomers and high wear resistance. The seal type for oil seals and grease seals can be oil seals or other types. Today's industries operate under extreme conditions. Composed of synthetic rubber, metal rings and springs, they prevent the leakage of lubricants from gaps within machines and bearings. The meniscus acts as an interface between the outside air and the fluid. They are normally black and have high heat, oil and chemical resistance but indifferent low temperature performance. In precision bearings, oil seals help prevent lubricants from escaping the bearings or a specific area. PEEK is a high temperature resistant engineered thermoplastic. It has poor resistance to petroleum oils and fuel. Many seal manufacturers use their own proprietary material. Many labyrinth seals are comprised of a rotor (rotating) and stator (stationary) member with a radial gap between the two members. All matching products will have a value greater than or equal to the specified value. Production can start at very short notice. RubberTechnology.info » Rubber products » Seals » Viton oil seal specification. Visit our website to learn more! Products returned as matches will meet all specified criteria. Metal cased seals are often coated with rubber. Compound number Elastomer Specification Application Certificates Colour Temp °C; Oil seal NK701 (77kB) Acrylnitrill-Butadieen compound: acc. When required, a specific size of a Viton oil seal can be made and tested in practice. We have 2000 standard, ISO 6194-1 sizes available from stock. They are flexible and have good abrasion resistance. 3/00 S-1 0.187 0.750 0.250 63 7727 Max Temperature: -40°C/-40°F – 100°C/ 212°F. All products with ANY of the selected attributes will be returned as matches. ... General Steel Specifications Stainless steel 304 Specifications Stainless steel 316 Specifications; Germany - EU: DIN EN 1623-1 1.0330 ST12 / SU 2 - 03: DIN X5 GRNI 1810: These seals generally do not perform well at low operating speeds. An oil seal that has one flexible sealing lip. matches as specified. Suggested operating temperature (-25° to 350° F). Piston seals are radial seals. Sitemap | Privacy Statement | Cookie Policy | Contact ERIKS | About ERIKS | Other technical sites. Polyurethane is a diverse class of materials exhibiting good elongation, recovery and toughness properties. Standard Oil Seals 30 - 40 10 - 20 0.25 - 0.50 PS-I Oil Seals 50 - 70 4 - 8 0.10 - 0.20 Bearing Isolators Not Specified 64 maximum 1.63 maximum Required Shaft Required Shaft Finish Seal Type Hardness µin (micro- µm (micro-Rockwell C inches) Ra meters) Ra Table 1: Shaft Requirements Table 2: Determination of Lead (Source: RMA Hanbook OS-1/1985) Oil seals are used to retain grease in a case or housing. Also called U-packings or Block Vee packings. Double Lip Oil Seal An oil seal that has two flexible sealing lips. Frequently an oil or hydraulic seal will also have a wiper or scraper element to keep contaminants from the sealing area. Nylon, comprising several grades of polyamides, is a general-purpose material in wide use; it is tough and resistant and has good pressure ratings. Many compound variations are available for specific applications. Glass filled, and added lubrication grades are available, flame-retardant grades are not. Suggested operating temperature (-70° to 275° F). wider than the bore depth B. The most commonly used oil seals in most applications are rubber cased or metal cased oil seals. Also called flexible lip, radial lip, or rotary shaft seals. For more than 20 years, ERIKS is a licensed distributor for Genuine Viton®. Unlisted, specialized, or proprietary configuration. Trade names include Breon® (BP Chemicals), Chemigum® (Goodyear), Hycar® (B F Goodrich), Krynac® (Polysar Ltd.), Nipol® (Zeon Chemicals), Nysyn® NBR, (DSM Elastomers), Paracril® (Uniroyal Chemical), and Perbunan® (Mobay). When you need another size or something special, you are always free to send your questions or wishes to us. To achieve a reliable seal and sufficiently long service life, the surface of the seal counterface should have a hardness of at least 55 HRC or 600 HV. Bearing isolators are dynamic seals designed to protect bearings from outside contaminants. Steel bands provide a tighter fit in a bore by acting as a spring to hold the seal in place. A split rigid (metallic) seal is similar in functionality to a piston ring. Seals without metal reinforcement are manufactured oversized relative to the housing bore diameter and depth to enable proper compression and stability. Use of this website signifies your agreement to our Terms of Use. It performs well in contact with oils and many chemicals. Acetals suffer from outgassing problems at elevated temperatures, and are brittle at low temperatures. Triple Lip Oil Seal An oil seal that has three flexible sealing lips. Good resistance to sunlight, weathering and ozone. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches. Leading oil seals manufacturer, ASA provides series of oil seal and seal tooling manufacturing. These seals are used where it is desirable to have a back-up seal incorporated into one seal case or shell. V-rings are considered external lip seals. Neoprene also offers resistance to damage caused by flexing and twisting. Polyacrylate elastomers are well suited for use with extreme pressure (EP) lubricants and have high resistance to oxidation and ozone. A range of fluoropolymer elastomers whose formulation can be tailored to a reasonable extent to meet the needs of individual end-uses. Products returned as matches will meet all specified criteria. SHAFT BORE WIDTH PART NO. An oil seal that has two flexible sealing lips. ERIKS has tested the heat resistance at 250°C for 70 hours with perfect results. Seal has an inner and outer metallic case for greater structural rigidity. 1.1 Nomenclature and functions of seal components Oil seals are designed in a variety of shapes according to the applications and substances to be sealed. A thermoplastic is a resin that softens when heated and hardens when cooled. SEAL SPECIFICATION GUIDE SEAL INSTALLATION PROCEDURES The subject of installation represents an area commonly overlooked when selecting an oil seal for an application. Suggested operating temperature (-20° to 300° F). An oil seal that has three flexible sealing lips. The split in an elastomeric seal facilitates assembly. New ACEA oil specifications were issued in 1998, 1999, 2002, 2004, 2007, 2008, 2010, 2012 and 2016. Also referred to as a shaft seal. A synthetic rubber that resists degradation from sun, ozone, and weather. Suggested operating temperature (-30° to 275° F). Other unlisted, specialized, or proprietary configuration. Also referred to as metal clad. Copyright © 2021 ERIKS nv. Chemical Resistance Guide Oil Seals Typefinder Unit Converter SealXpress. This dimension refers to the axial cross section, or thickness, of the seal. Specs: Radial shaft seal with outer metal case, spring loaded sealing lip and additional dust lip. This Seal handbook contains complete product data for the selection of SKF shaft seals, Speedi-Sleeves ®, … Viton is a synthetic rubber and fluoropolymer elastomer used in O-rings, seals and other moulded products. ERIKS offers technical expertise to provide customized solutions for your oil-seal tasks. We develop any material required in our own laboratories. Oil Seal Overview. This dimension refers to the housing bore diameter or the seal outside diameter. PEEK has a maximum continuous working temperature of 480°F and retains its mechanical properties up to 570°F in steam or high-pressure applications. (NOTE: The urethanes of the plastics industry are so named because the repeating units of their structures resemble the chemical urethane.) Maximum operating speed is generally given as ft/min or m/sec. In unopposed seal elements, the two seal lips point in the same direction. Max Surface Speed: 14 m/s Oil thickness must be between 1 and 3 um to avoid leakage. An oil seal can also called flexible lip, radial lip, or rotary shaft seal. They also help stop intermixture of two different mediums, such as lubricating oil and water. You can also choose from waterproof, heat-resistant oil seal specification, as well as from family homes, commercial buildings, and drinking water treatment oil seal specification, and whether oil seal specification is high pressure, or low pressure. we can supply national oil seal for usa truck, cr oil seals for hub,steering,engine ,we use the material of nbr,fkm,acm,ptfe and so on ,for more detail,pls mail … An elastomer is a polymer that has the elastic properties of natural rubber. V-rings and C-rings are examples of seals of all rubber or elastomer construction. You can find your nearest ERIKS office on our website. Many solutions can be found in this ERIKS technical oil-seal manual. In addition, the operating speed and temperature must be considered when using a labyrinth seal. An oil seal is often referred to as a rotary shaft seal, grease seal, or dirt seal. Rod seals are radial seals. The mechanical and physical properties are very similar to silicone. Sealing is provided by the surface tension of the hydrodynamic oil film between the seal flattened area and the shaft. Please review the specifications manual before contacting Timken. For a quick response, please fill in all fields. ERIKS Viton oil seals performed very well in tests in the influence of several environments (like heat/cold resistance, compression and fuel) on: hardness; tensile strength; special gravity; elongation; tear strength; compression set; Viton oil seal specification: heat resistance. The seal is fit onto a shaft with the sealing lip contacting the housing bore. Short, flexible suspended, … The one thing they all have in common is that they all operate on a principle of positive clearance (i.e., no rubbing against the shaft or housing). The surface roughness of the counterface on the shaft of rotary applications should lie between Ra 0,2 and 0,8 µm, if the maximum permissible circumferential speeds are to be used. Suggested operating temperatures from (-40° to 300° F). Good heat and compression set resistance. Clark Seals ,since 1956, has designed, manufactured and supplied oil and grease seals to protect all types of equip-ment. Some bearing isolators are of labyrinth construction while others use O-rings or other positive seals. Seal may have a garter spring, however. Elastomers and thermoplastics are polymers. Neoprene remains useful over a wide temperature range, displays outstanding physical toughness, and resists burning inherently better than exclusively hydrocarbon rubbers. `` must not have a value greater than or equal to the cross. And Zetpol® ( Nippon Zeon Company ) or material family when installed to housing... Hours by 3D-printing a reasonable extent to meet the needs of individual.... Resistance in comparison have high resistance to oxidation and ozone size and part number stop intermixture two. 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